#include<iostream>

inline char gc(){
	static char buf[1000000],*p1=buf,*p2=buf;
	return p1==p2&&(p2=(p1=buf)+fread(buf,1,1000000,stdin),p1==p2)?EOF:*p1++;
}

inline int read(){
	int sum=0,f=0;
	char ch=gc();
	for(;!isdigit(ch);ch=gc())f|=(ch=='-');
	for(;isdigit(ch);ch=gc()) sum=((sum<<1)+(sum<<3)+(ch^48));
	return f?-sum:sum;
}

int main(){
	int n=read();
	std::cout<<n;
}
